Finding the Fourth Proportional to 525,121.02, 787,643.28 and 205,212.96
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Solution
The fourth proportional to 525,121.02, 787,643.28 and 205,212.96 is: 307,804.49
Step by Step Solution
- Step 1: Write the proportion equation
525,121.02 : 787,643.28 = 205,212.96 : x - Step 2: Convert to fraction form
525,121.02/787,643.28 = 205,212.96/x - Step 3: Cross multiply
525,121.02x = 787,643.28 × 205,212.96 - Step 4: Simplify right side
525,121.02x = 161,634,608,912.91 - Step 5: Solve for x
x = 161,634,608,912.91/525,121.02 - Step 6: Final answer
x = 307,804.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.